Toy gun



FIG. 1 is a side elevation of the toy gun showing my new design, the other side being a mirror image thereof;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a top plan thereof; and

FIG. 5 is a bottom plan thereof. 

The ornamental design for a toy gun, substantially as shown and described. 